Practi-Sodium Chloride 0.9% (10 mL Clear Amp). Distilled Water (for training)Practi Sodium Chloride 0. 9% for clinical training. Teach your students the aseptic techniques of ampule handling, dosage aspiration and needle withdrawal. Practi Sodium Chloride 0. 9% is a 10 mL clear glass ampule filled with distilled water and is safe for use with manikins. Once your students master the techniques of ampule handling, complete the experience with an injection into the Practi Injecta Pad. Qty: 100 ampules NOT FOR HUMAN OR ANIMAL USE.